【计】 长研制周期

after a long time

long term scheduling

long-term lending【金融】;long-term loan【金融】

early long-grain nonglutinous rice【粮食】

long production run

long shunt compound winding【电】

long-range business【经管】;long-standing business dealings【经管】

long-range planning【计划】;long-term plan【计划】